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      1 /**************************************************************************
      2  *
      3  * Copyright 2008 VMware, Inc.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 #include "util/u_inlines.h"
     29 #include "util/u_hash_table.h"
     30 #include "util/u_memory.h"
     31 #include "util/simple_list.h"
     32 
     33 #include "tr_screen.h"
     34 #include "tr_context.h"
     35 #include "tr_texture.h"
     36 
     37 
     38 struct pipe_resource *
     39 trace_resource_create(struct trace_screen *tr_scr,
     40                      struct pipe_resource *texture)
     41 {
     42    struct trace_resource *tr_res;
     43 
     44    if (!texture)
     45       goto error;
     46 
     47    assert(texture->screen == tr_scr->screen);
     48 
     49    tr_res = CALLOC_STRUCT(trace_resource);
     50    if (!tr_res)
     51       goto error;
     52 
     53    memcpy(&tr_res->base, texture, sizeof(struct pipe_resource));
     54 
     55    pipe_reference_init(&tr_res->base.reference, 1);
     56    tr_res->base.screen = &tr_scr->base;
     57    tr_res->resource = texture;
     58 
     59    return &tr_res->base;
     60 
     61 error:
     62    pipe_resource_reference(&texture, NULL);
     63    return NULL;
     64 }
     65 
     66 
     67 void
     68 trace_resource_destroy(struct trace_screen *tr_scr,
     69 		       struct trace_resource *tr_res)
     70 {
     71    pipe_resource_reference(&tr_res->resource, NULL);
     72    FREE(tr_res);
     73 }
     74 
     75 
     76 struct pipe_surface *
     77 trace_surf_create(struct trace_context *tr_ctx,
     78                   struct trace_resource *tr_res,
     79                   struct pipe_surface *surface)
     80 {
     81    struct trace_surface *tr_surf;
     82 
     83    if (!surface)
     84       goto error;
     85 
     86    assert(surface->texture == tr_res->resource);
     87 
     88    tr_surf = CALLOC_STRUCT(trace_surface);
     89    if (!tr_surf)
     90       goto error;
     91 
     92    memcpy(&tr_surf->base, surface, sizeof(struct pipe_surface));
     93    tr_surf->base.context = &tr_ctx->base;
     94 
     95    pipe_reference_init(&tr_surf->base.reference, 1);
     96    tr_surf->base.texture = NULL;
     97    pipe_resource_reference(&tr_surf->base.texture, &tr_res->base);
     98    tr_surf->surface = surface;
     99 
    100    return &tr_surf->base;
    101 
    102 error:
    103    pipe_surface_reference(&surface, NULL);
    104    return NULL;
    105 }
    106 
    107 
    108 void
    109 trace_surf_destroy(struct trace_surface *tr_surf)
    110 {
    111    trace_context_check(tr_surf->base.context);
    112    pipe_resource_reference(&tr_surf->base.texture, NULL);
    113    pipe_surface_reference(&tr_surf->surface, NULL);
    114    FREE(tr_surf);
    115 }
    116 
    117 
    118 struct pipe_transfer *
    119 trace_transfer_create(struct trace_context *tr_ctx,
    120 		      struct trace_resource *tr_res,
    121 		      struct pipe_transfer *transfer)
    122 {
    123    struct trace_transfer *tr_trans;
    124 
    125    if (!transfer)
    126       goto error;
    127 
    128    assert(transfer->resource == tr_res->resource);
    129 
    130    tr_trans = CALLOC_STRUCT(trace_transfer);
    131    if (!tr_trans)
    132       goto error;
    133 
    134    memcpy(&tr_trans->base, transfer, sizeof(struct pipe_transfer));
    135 
    136    tr_trans->base.resource = NULL;
    137    tr_trans->transfer = transfer;
    138 
    139    pipe_resource_reference(&tr_trans->base.resource, &tr_res->base);
    140    assert(tr_trans->base.resource == &tr_res->base);
    141 
    142    return &tr_trans->base;
    143 
    144 error:
    145    tr_ctx->pipe->transfer_unmap(tr_ctx->pipe, transfer);
    146    return NULL;
    147 }
    148 
    149 
    150 void
    151 trace_transfer_destroy(struct trace_context *tr_context,
    152                        struct trace_transfer *tr_trans)
    153 {
    154    pipe_resource_reference(&tr_trans->base.resource, NULL);
    155    FREE(tr_trans);
    156 }
    157 
    158